The biggest difficulty comes from yourself.

最大的困难来自于你自己。

youdao

Lack of confidence is not the result of difficulty; the difficulty comes from lack of confidence.

缺乏信心不是由于困难；困难来自缺乏信心。

youdao

Life itself is not difficult; the feeling of difficulty comes from your defense and dissatisfaction.

生命的本身并不艰苦；艰辛的感觉只来自你的对抗与不满。

youdao

The difficulty comes when you do not know what garbage looks like.

ECONOMIST: Statistics and climatology

The difficulty comes in figuring out who poses a threat.

CNN: Gun debate: Where is the middle ground?

Many of the moms on the list have publicly acknowledged the difficulty that comes with being a mother and a professional, especially one with a high-octane career.

FORBES: World's 20 Most Powerful Moms